Caution signal for hazardous situation



FIG. 1 is a reduced perspective view of a caution signal for hazardous situation showing my new design;

FIG. 2 is a front elevational view, with the rear being a mirror image.

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a caution signal for hazardous situation, as shown and described. 